18930840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^3\times {\mathrm{23}}^1$

素因数の和:94

約数の個数: 128

約数和(自身を含む): 62553600

約数和(自身を除く): 43622760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 361, 380, 437, 456, 460, 552, 570, 690, 722, 760, 874, 920, 1083, 1140, 1311, 1380, 1444, 1748, 1805, 2166, 2185, 2280, 2622, 2760, 2888, 3496, 3610, 4332, 4370, 5244, 5415, 6555, 6859, 7220, 8303, 8664, 8740, 10488, 10830, 13110, 13718, 14440, 16606, 17480, 20577, 21660, 24909, 26220, 27436, 33212, 34295, 41154, 41515, 43320, 49818, 52440, 54872, 66424, 68590, 82308, 83030, 99636, 102885, 124545, 137180, 157757, 164616, 166060, 199272, 205770, 249090, 274360, 315514, 332120, 411540, 473271, 498180, 631028, 788785, 823080, 946542, 996360, 1262056, 1577570, 1893084, 2366355, 3155140, 3786168, 4732710, 6310280, 9465420, 18930840]

約数ペア:

[(1, 18930840), (2, 9465420), (3, 6310280), (4, 4732710), (5, 3786168), (6, 3155140), (8, 2366355), (10, 1893084), (12, 1577570), (15, 1262056), (19, 996360), (20, 946542), (23, 823080), (24, 788785), (30, 631028), (38, 498180), (40, 473271), (46, 411540), (57, 332120), (60, 315514), (69, 274360), (76, 249090), (92, 205770), (95, 199272), (114, 166060), (115, 164616), (120, 157757), (138, 137180), (152, 124545), (184, 102885), (190, 99636), (228, 83030), (230, 82308), (276, 68590), (285, 66424), (345, 54872), (361, 52440), (380, 49818), (437, 43320), (456, 41515), (460, 41154), (552, 34295), (570, 33212), (690, 27436), (722, 26220), (760, 24909), (874, 21660), (920, 20577), (1083, 17480), (1140, 16606), (1311, 14440), (1380, 13718), (1444, 13110), (1748, 10830), (1805, 10488), (2166, 8740), (2185, 8664), (2280, 8303), (2622, 7220), (2760, 6859), (2888, 6555), (3496, 5415), (3610, 5244), (4332, 4370)]